Altimeter, Tyco, 20,000FT, WWI to 1920's US Navy Japanese AN/ARN-30 was used in versions
$221.97
Description
AN/ARN-30 was used in versions of the following aircraft: UH-1
Truth be told
no switching of control is necessary and the one radio control box has control at all times
and then a small triangular index pointer which traverses the perimeter of the inner scale
The knob was used to set the flow rate
Altimeter, Tyco, 20,000FT, WWI to 1920's US Navy Japanese AN/ARN-30 was used in versionsHere is an Altimeter used in early military aircraft of the US Navy, very similar to the Type C altimeter used by the Army Air Service from WWI thru 1926. Crudely measured altitude from 0 20,000 ft, which was pretty high for aircraft of that era and requiring supplemental oxygen for the crew to exceed ~12,500 ft based upon modern standards. The knob rotates the face of the dial while the pointer remains fixed to set the present field elevation.
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